Nothing can escape a black hole, not even light. Say you fell into a black hole. According to Einstein's theory of relativity, as you approach an object that has a great deal of mass (like a black hole) time slows down. And when you reach the event horizon, time stops. But for you, time is moving normally. This means you time travel(ish).
In this category I’ve been telling you a lot of ways to time travel, but in here, I’ll be telling you about a reason not to. The grandfather paradox is a scenario where a time traveler does something
These near-microscopic creatures (also known as Water Bears or Moss Piglets) have a protein in their body that protects them from radiation. This protein was tested on human skin and it showed 40% les